Insulating cup sleeve



FIG. 1 is a top perspective view of an insulating cup sleeve showing the new design;

FIG. 2 is a bottom perspective view of the insulating cup sleeve shown in FIG. 1;

FIG. 3 is a front elevation view of the insulating cup sleeve shown in FIG. 1;

FIG. 4 is a right side elevation view of the insulating cup sleeve shown in FIG. 1;

FIG. 5 is a rear elevation view of the insulating cup sleeve shown in FIG. 1;

FIG. 6 is a left side elevation view of the insulating cup sleeve shown in FIG. 1;

FIG. 7 is a top perspective view of a second embodiment of the insulating cup sleeve shown in FIG. 1;

FIG. 8 is a bottom perspective view of the insulating cup sleeve shown in FIG. 7;

FIG. 9 is a front elevation view of the insulating cup sleeve shown in FIG. 7;

FIG. 10 is a right side elevation view of the insulating cup sleeve shown in FIG. 7;

FIG. 11 is a rear elevation view of the insulating cup sleeve shown in FIG. 7; and,

FIG. 12 is a left side elevation view of the insulating cup sleeve shown in FIG. 7.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an insulating cup sleeve, as shown and described. 